# File lib/phusion_passenger/platform_info.rb, line 148
        def self.find_command(name)
                name = name.to_s
                ENV['PATH'].to_s.split(File::PATH_SEPARATOR).detect do |directory|
                        path = File.join(directory, name)
                        if File.file?(path) && File.executable?(path)
                                return path
                        end
                end
                return nil
        end